M.Sc. (Semester II) (CBCS) Examination Nov/Dec-2018
Botany
CELL AND MOLECULAR BIOLOGY OF PLANTS
Time: 2½ Hours Max. Marks: 70
Instructions: Question no.1 is compulsory.
Figures to the right indicate full marks.
Attempt any two questions from Q. 3 and 4.
Attempt any two questions from Q. 6 and 7.
Draw neat and labeled diagram wherever necessary.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
lipids is most abundantly present in plasma membrane.
Phospholipids Sphingolipids
Glycolipids Sterols
type of ATPases are present on the cell membrane.
ABC transporters V-types
P-type All of these
is not present in the core histones.
H2A H2B
H3 H1
Okazaki fragments are absent on DNA strand during replication.
Leading Lagging
to None of these
MTOC stands for
Microtubule Original Core Mitochondria Organizing Centre
Microtubule Organ Centre Microtubule Organizing Centre
Capping and polyadenylation occurs in RNA editing.
tRNA rRNA
mRNA snRNA
is a tumor suppressor protein.
CDK p53
Caspases p450
is not a stop codon.
UGA UGG
UAA UAG
is the immediate source of energy for active transport.
Carbohydrates Lipids
ATP A b
10) GISH stands for
Gene in situ hybridization Genomic in situ hybridization
Genetic in situ hybridization Genomic in silicon hybridization
11) Photolyase is a enzyme.
DNA transcription DNA replication
DNA repair RNA replication
Page 2 of 2
SLR-VD-100
12) Satellite DNA is present in region.
Coding Non coding
Centromere b c
13) The DNA sequence spreads by forming additional copies of itself within the
genome is called
Junk DNA Selfish DNA
Spiritual DNA All of these
14) DNA damage is induced by
UV radiation Ionizing radiation
Mutagens All of these
Q.2 Write about:-
Describe the models of plasma membrane.
What is ATPases? Describe the types of ATPases and their functions.
14
Q.3 Explain:-
Write the structure and function of microtubules.
Explain principles and applications of confocal microscopy.
07
07
Q.4 Explain:-
What is Cistron? Describe the process of transcription.
Explain the genome organization with neat labeled diagram.
14
Q.5 Write short notes on: 10
Give account on mechanism of DNA repair.
Write the properties of genetic code.
Write a note on types of caspases. 04
Q.6 Write short notes
Write a note on FISH and GISH.
Write a note Satellite DNA.
10
Describe the Mitochondria biogenesis. 04
Q.7 Write short notes 10
Describe the models of DNA replications.
Write a note on storage organelle.
Give account on composition of Plasma membrane. 04